package com.bxait.toymail.member.exception;

/*
@description: 用戶名存在异常
@ClassName UsernameExistException
@author Chen
@create 2023-04-21 12:41
@Version 1.0
*/
public class UsernameExistException extends RuntimeException{
    public UsernameExistException() {
        super("用户名存在");
    }
}
